651 lines
23 KiB
Rust
651 lines
23 KiB
Rust
//! Project loading & configuration updates
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use std::{mem, sync::Arc};
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use flycheck::{FlycheckConfig, FlycheckHandle};
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use hir::db::DefDatabase;
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use ide::Change;
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use ide_db::base_db::{
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CrateGraph, Env, ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind,
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SourceRoot, VfsPath,
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};
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use proc_macro_api::{MacroDylib, ProcMacroServer};
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use project_model::{ProjectWorkspace, WorkspaceBuildScripts};
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use syntax::SmolStr;
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use vfs::{file_set::FileSetConfig, AbsPath, AbsPathBuf, ChangeKind};
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use crate::{
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config::{Config, FilesWatcher, LinkedProject},
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global_state::GlobalState,
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lsp_ext,
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main_loop::Task,
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op_queue::Cause,
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};
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#[derive(Debug)]
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pub(crate) enum ProjectWorkspaceProgress {
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Begin,
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Report(String),
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End(Vec<anyhow::Result<ProjectWorkspace>>),
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}
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#[derive(Debug)]
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pub(crate) enum BuildDataProgress {
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Begin,
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Report(String),
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End((Arc<Vec<ProjectWorkspace>>, Vec<anyhow::Result<WorkspaceBuildScripts>>)),
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}
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impl GlobalState {
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pub(crate) fn is_quiescent(&self) -> bool {
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!(self.fetch_workspaces_queue.op_in_progress()
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|| self.fetch_build_data_queue.op_in_progress()
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|| self.vfs_progress_config_version < self.vfs_config_version
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|| self.vfs_progress_n_done < self.vfs_progress_n_total)
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}
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pub(crate) fn update_configuration(&mut self, config: Config) {
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let _p = profile::span("GlobalState::update_configuration");
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let old_config = mem::replace(&mut self.config, Arc::new(config));
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if self.config.lru_capacity() != old_config.lru_capacity() {
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self.analysis_host.update_lru_capacity(self.config.lru_capacity());
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}
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if self.config.linked_projects() != old_config.linked_projects() {
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self.fetch_workspaces_queue.request_op("linked projects changed".to_string())
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} else if self.config.flycheck() != old_config.flycheck() {
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self.reload_flycheck();
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}
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if self.analysis_host.raw_database().enable_proc_attr_macros()
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!= self.config.expand_proc_attr_macros()
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{
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self.analysis_host
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.raw_database_mut()
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.set_enable_proc_attr_macros(self.config.expand_proc_attr_macros());
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}
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}
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pub(crate) fn current_status(&self) -> lsp_ext::ServerStatusParams {
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let mut status = lsp_ext::ServerStatusParams {
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health: lsp_ext::Health::Ok,
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quiescent: self.is_quiescent(),
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message: None,
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};
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if self.proc_macro_changed {
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status.health = lsp_ext::Health::Warning;
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status.message =
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Some("Reload required due to source changes of a procedural macro.".into())
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}
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if let Err(_) = self.fetch_build_data_error() {
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status.health = lsp_ext::Health::Warning;
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status.message =
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Some("Failed to run build scripts of some packages, check the logs.".to_string());
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}
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if !self.config.cargo_autoreload()
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&& self.is_quiescent()
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&& self.fetch_workspaces_queue.op_requested()
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{
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status.health = lsp_ext::Health::Warning;
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status.message = Some("Workspace reload required".to_string())
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}
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if let Err(error) = self.fetch_workspace_error() {
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status.health = lsp_ext::Health::Error;
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status.message = Some(error)
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}
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status
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}
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pub(crate) fn fetch_workspaces(&mut self, cause: Cause) {
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tracing::info!(%cause, "will fetch workspaces");
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self.task_pool.handle.spawn_with_sender({
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let linked_projects = self.config.linked_projects();
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let detached_files = self.config.detached_files().to_vec();
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let cargo_config = self.config.cargo();
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move |sender| {
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let progress = {
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let sender = sender.clone();
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move |msg| {
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sender
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.send(Task::FetchWorkspace(ProjectWorkspaceProgress::Report(msg)))
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.unwrap()
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}
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};
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sender.send(Task::FetchWorkspace(ProjectWorkspaceProgress::Begin)).unwrap();
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let mut workspaces = linked_projects
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.iter()
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.map(|project| match project {
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LinkedProject::ProjectManifest(manifest) => {
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project_model::ProjectWorkspace::load(
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manifest.clone(),
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&cargo_config,
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&progress,
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)
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}
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LinkedProject::InlineJsonProject(it) => {
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project_model::ProjectWorkspace::load_inline(
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it.clone(),
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cargo_config.target.as_deref(),
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)
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}
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})
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.collect::<Vec<_>>();
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if !detached_files.is_empty() {
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workspaces
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.push(project_model::ProjectWorkspace::load_detached_files(detached_files));
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}
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tracing::info!("did fetch workspaces {:?}", workspaces);
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sender
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.send(Task::FetchWorkspace(ProjectWorkspaceProgress::End(workspaces)))
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.unwrap();
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}
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});
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}
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pub(crate) fn fetch_build_data(&mut self, cause: Cause) {
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tracing::debug!(%cause, "will fetch build data");
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let workspaces = Arc::clone(&self.workspaces);
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let config = self.config.cargo();
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self.task_pool.handle.spawn_with_sender(move |sender| {
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sender.send(Task::FetchBuildData(BuildDataProgress::Begin)).unwrap();
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let progress = {
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let sender = sender.clone();
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move |msg| {
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sender.send(Task::FetchBuildData(BuildDataProgress::Report(msg))).unwrap()
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}
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};
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let mut res = Vec::new();
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for ws in workspaces.iter() {
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res.push(ws.run_build_scripts(&config, &progress));
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}
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sender.send(Task::FetchBuildData(BuildDataProgress::End((workspaces, res)))).unwrap();
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});
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}
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pub(crate) fn switch_workspaces(&mut self, cause: Cause) {
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let _p = profile::span("GlobalState::switch_workspaces");
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tracing::info!(%cause, "will switch workspaces");
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if let Err(error_message) = self.fetch_workspace_error() {
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self.show_and_log_error(error_message, None);
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if !self.workspaces.is_empty() {
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// It only makes sense to switch to a partially broken workspace
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// if we don't have any workspace at all yet.
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return;
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}
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}
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if let Err(error) = self.fetch_build_data_error() {
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self.show_and_log_error(
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"rust-analyzer failed to run build scripts".to_string(),
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Some(error),
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);
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}
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let workspaces = self
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.fetch_workspaces_queue
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.last_op_result()
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.iter()
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.filter_map(|res| res.as_ref().ok().cloned())
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.collect::<Vec<_>>();
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fn eq_ignore_build_data<'a>(
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left: &'a ProjectWorkspace,
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right: &'a ProjectWorkspace,
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) -> bool {
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let key = |p: &'a ProjectWorkspace| match p {
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ProjectWorkspace::Cargo {
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cargo,
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sysroot,
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rustc,
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rustc_cfg,
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cfg_overrides,
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build_scripts: _,
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} => Some((cargo, sysroot, rustc, rustc_cfg, cfg_overrides)),
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_ => None,
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};
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match (key(left), key(right)) {
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(Some(lk), Some(rk)) => lk == rk,
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_ => left == right,
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}
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}
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let same_workspaces = workspaces.len() == self.workspaces.len()
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&& workspaces
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.iter()
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.zip(self.workspaces.iter())
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.all(|(l, r)| eq_ignore_build_data(l, r));
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if same_workspaces {
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let (workspaces, build_scripts) = self.fetch_build_data_queue.last_op_result();
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if Arc::ptr_eq(workspaces, &self.workspaces) {
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tracing::debug!("set build scripts to workspaces");
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let workspaces = workspaces
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.iter()
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.cloned()
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.zip(build_scripts)
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.map(|(mut ws, bs)| {
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ws.set_build_scripts(bs.as_ref().ok().cloned().unwrap_or_default());
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ws
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})
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.collect::<Vec<_>>();
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// Workspaces are the same, but we've updated build data.
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self.workspaces = Arc::new(workspaces);
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} else {
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tracing::info!("build scripts do not match the version of the active workspace");
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// Current build scripts do not match the version of the active
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// workspace, so there's nothing for us to update.
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return;
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}
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} else {
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tracing::debug!("abandon build scripts for workspaces");
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// Here, we completely changed the workspace (Cargo.toml edit), so
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// we don't care about build-script results, they are stale.
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self.workspaces = Arc::new(workspaces)
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}
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if let FilesWatcher::Client = self.config.files().watcher {
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let registration_options = lsp_types::DidChangeWatchedFilesRegistrationOptions {
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watchers: self
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.workspaces
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.iter()
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.flat_map(|ws| ws.to_roots())
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.filter(|it| it.is_local)
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.flat_map(|root| {
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root.include.into_iter().flat_map(|it| {
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[
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format!("{}/**/*.rs", it.display()),
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format!("{}/**/Cargo.toml", it.display()),
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format!("{}/**/Cargo.lock", it.display()),
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]
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})
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})
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.map(|glob_pattern| lsp_types::FileSystemWatcher { glob_pattern, kind: None })
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.collect(),
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};
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let registration = lsp_types::Registration {
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id: "workspace/didChangeWatchedFiles".to_string(),
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method: "workspace/didChangeWatchedFiles".to_string(),
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register_options: Some(serde_json::to_value(registration_options).unwrap()),
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};
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self.send_request::<lsp_types::request::RegisterCapability>(
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lsp_types::RegistrationParams { registrations: vec![registration] },
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|_, _| (),
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);
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}
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let mut change = Change::new();
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let files_config = self.config.files();
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let project_folders = ProjectFolders::new(&self.workspaces, &files_config.exclude);
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if self.proc_macro_client.is_none() {
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if let Some((path, args)) = self.config.proc_macro_srv() {
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match ProcMacroServer::spawn(path.clone(), args) {
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Ok(it) => self.proc_macro_client = Some(it),
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Err(err) => {
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tracing::error!(
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"Failed to run proc_macro_srv from path {}, error: {:?}",
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path.display(),
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err
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);
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}
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}
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}
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}
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let watch = match files_config.watcher {
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FilesWatcher::Client => vec![],
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FilesWatcher::Notify => project_folders.watch,
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};
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self.vfs_config_version += 1;
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self.loader.handle.set_config(vfs::loader::Config {
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load: project_folders.load,
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watch,
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version: self.vfs_config_version,
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});
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// Create crate graph from all the workspaces
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let crate_graph = {
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let proc_macro_client = self.proc_macro_client.as_ref();
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let mut load_proc_macro = move |path: &AbsPath, dummy_replace: &_| {
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load_proc_macro(proc_macro_client, path, dummy_replace)
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};
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let vfs = &mut self.vfs.write().0;
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let loader = &mut self.loader;
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let mem_docs = &self.mem_docs;
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let mut load = move |path: &AbsPath| {
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let _p = profile::span("GlobalState::load");
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let vfs_path = vfs::VfsPath::from(path.to_path_buf());
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if !mem_docs.contains(&vfs_path) {
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let contents = loader.handle.load_sync(path);
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vfs.set_file_contents(vfs_path.clone(), contents);
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}
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let res = vfs.file_id(&vfs_path);
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if res.is_none() {
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tracing::warn!("failed to load {}", path.display())
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}
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res
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};
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let mut crate_graph = CrateGraph::default();
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for ws in self.workspaces.iter() {
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crate_graph.extend(ws.to_crate_graph(
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self.config.dummy_replacements(),
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&mut load_proc_macro,
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&mut load,
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));
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}
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crate_graph
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};
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change.set_crate_graph(crate_graph);
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self.source_root_config = project_folders.source_root_config;
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self.analysis_host.apply_change(change);
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self.process_changes();
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self.reload_flycheck();
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tracing::info!("did switch workspaces");
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}
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fn fetch_workspace_error(&self) -> Result<(), String> {
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let mut buf = String::new();
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for ws in self.fetch_workspaces_queue.last_op_result() {
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if let Err(err) = ws {
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stdx::format_to!(buf, "rust-analyzer failed to load workspace: {:#}\n", err);
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}
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}
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if buf.is_empty() {
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return Ok(());
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}
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Err(buf)
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}
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fn fetch_build_data_error(&self) -> Result<(), String> {
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let mut buf = String::new();
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for ws in &self.fetch_build_data_queue.last_op_result().1 {
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match ws {
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Ok(data) => match data.error() {
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Some(stderr) => stdx::format_to!(buf, "{:#}\n", stderr),
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_ => (),
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},
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// io errors
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Err(err) => stdx::format_to!(buf, "{:#}\n", err),
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}
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}
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if buf.is_empty() {
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Ok(())
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} else {
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Err(buf)
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}
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}
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fn reload_flycheck(&mut self) {
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let _p = profile::span("GlobalState::reload_flycheck");
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let config = match self.config.flycheck() {
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Some(it) => it,
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None => {
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self.flycheck = Vec::new();
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return;
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}
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};
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let sender = self.flycheck_sender.clone();
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self.flycheck = self
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.workspaces
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.iter()
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.enumerate()
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.filter_map(|(id, w)| match w {
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ProjectWorkspace::Cargo { cargo, .. } => Some((id, cargo.workspace_root())),
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ProjectWorkspace::Json { project, .. } => {
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// Enable flychecks for json projects if a custom flycheck command was supplied
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// in the workspace configuration.
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match config {
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FlycheckConfig::CustomCommand { .. } => Some((id, project.path())),
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_ => None,
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}
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}
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ProjectWorkspace::DetachedFiles { .. } => None,
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})
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.map(|(id, root)| {
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let sender = sender.clone();
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FlycheckHandle::spawn(
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id,
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Box::new(move |msg| sender.send(msg).unwrap()),
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config.clone(),
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root.to_path_buf(),
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)
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})
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.collect();
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}
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}
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#[derive(Default)]
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pub(crate) struct ProjectFolders {
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pub(crate) load: Vec<vfs::loader::Entry>,
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pub(crate) watch: Vec<usize>,
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pub(crate) source_root_config: SourceRootConfig,
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}
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impl ProjectFolders {
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pub(crate) fn new(
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workspaces: &[ProjectWorkspace],
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global_excludes: &[AbsPathBuf],
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) -> ProjectFolders {
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let mut res = ProjectFolders::default();
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let mut fsc = FileSetConfig::builder();
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let mut local_filesets = vec![];
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for root in workspaces.iter().flat_map(|ws| ws.to_roots()) {
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let file_set_roots: Vec<VfsPath> =
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root.include.iter().cloned().map(VfsPath::from).collect();
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let entry = {
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let mut dirs = vfs::loader::Directories::default();
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dirs.extensions.push("rs".into());
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dirs.include.extend(root.include);
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dirs.exclude.extend(root.exclude);
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for excl in global_excludes {
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if dirs
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.include
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.iter()
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.any(|incl| incl.starts_with(excl) || excl.starts_with(incl))
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{
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dirs.exclude.push(excl.clone());
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}
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}
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vfs::loader::Entry::Directories(dirs)
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};
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if root.is_local {
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res.watch.push(res.load.len());
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}
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res.load.push(entry);
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if root.is_local {
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local_filesets.push(fsc.len());
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}
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fsc.add_file_set(file_set_roots)
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}
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let fsc = fsc.build();
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res.source_root_config = SourceRootConfig { fsc, local_filesets };
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res
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}
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}
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#[derive(Default, Debug)]
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pub(crate) struct SourceRootConfig {
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pub(crate) fsc: FileSetConfig,
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pub(crate) local_filesets: Vec<usize>,
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}
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impl SourceRootConfig {
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pub(crate) fn partition(&self, vfs: &vfs::Vfs) -> Vec<SourceRoot> {
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let _p = profile::span("SourceRootConfig::partition");
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self.fsc
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.partition(vfs)
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.into_iter()
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.enumerate()
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.map(|(idx, file_set)| {
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let is_local = self.local_filesets.contains(&idx);
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if is_local {
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SourceRoot::new_local(file_set)
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} else {
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SourceRoot::new_library(file_set)
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}
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})
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.collect()
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}
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}
|
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|
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/// Load the proc-macros for the given lib path, replacing all expanders whose names are in `dummy_replace`
|
|
/// with an identity dummy expander.
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|
pub(crate) fn load_proc_macro(
|
|
client: Option<&ProcMacroServer>,
|
|
path: &AbsPath,
|
|
dummy_replace: &[Box<str>],
|
|
) -> Vec<ProcMacro> {
|
|
let dylib = match MacroDylib::new(path.to_path_buf()) {
|
|
Ok(it) => it,
|
|
Err(err) => {
|
|
// FIXME: that's not really right -- we store this error in a
|
|
// persistent status.
|
|
tracing::warn!("failed to load proc macro: {}", err);
|
|
return Vec::new();
|
|
}
|
|
};
|
|
|
|
return client
|
|
.map(|it| it.load_dylib(dylib))
|
|
.into_iter()
|
|
.flat_map(|it| match it {
|
|
Ok(Ok(macros)) => macros,
|
|
Err(err) => {
|
|
tracing::error!("proc macro server crashed: {}", err);
|
|
Vec::new()
|
|
}
|
|
Ok(Err(err)) => {
|
|
// FIXME: that's not really right -- we store this error in a
|
|
// persistent status.
|
|
tracing::warn!("failed to load proc macro: {}", err);
|
|
Vec::new()
|
|
}
|
|
})
|
|
.map(|expander| expander_to_proc_macro(expander, dummy_replace))
|
|
.collect();
|
|
|
|
fn expander_to_proc_macro(
|
|
expander: proc_macro_api::ProcMacro,
|
|
dummy_replace: &[Box<str>],
|
|
) -> ProcMacro {
|
|
let name = SmolStr::from(expander.name());
|
|
let kind = match expander.kind() {
|
|
proc_macro_api::ProcMacroKind::CustomDerive => ProcMacroKind::CustomDerive,
|
|
proc_macro_api::ProcMacroKind::FuncLike => ProcMacroKind::FuncLike,
|
|
proc_macro_api::ProcMacroKind::Attr => ProcMacroKind::Attr,
|
|
};
|
|
let expander: Arc<dyn ProcMacroExpander> =
|
|
if dummy_replace.iter().any(|replace| &**replace == name) {
|
|
Arc::new(DummyExpander)
|
|
} else {
|
|
Arc::new(Expander(expander))
|
|
};
|
|
ProcMacro { name, kind, expander }
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct Expander(proc_macro_api::ProcMacro);
|
|
|
|
impl ProcMacroExpander for Expander {
|
|
fn expand(
|
|
&self,
|
|
subtree: &tt::Subtree,
|
|
attrs: Option<&tt::Subtree>,
|
|
env: &Env,
|
|
) -> Result<tt::Subtree, ProcMacroExpansionError> {
|
|
let env = env.iter().map(|(k, v)| (k.to_string(), v.to_string())).collect();
|
|
match self.0.expand(subtree, attrs, env) {
|
|
Ok(Ok(subtree)) => Ok(subtree),
|
|
Ok(Err(err)) => Err(ProcMacroExpansionError::Panic(err.0)),
|
|
Err(err) => Err(ProcMacroExpansionError::System(err.to_string())),
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Dummy identity expander, used for proc-macros that are deliberately ignored by the user.
|
|
#[derive(Debug)]
|
|
struct DummyExpander;
|
|
|
|
impl ProcMacroExpander for DummyExpander {
|
|
fn expand(
|
|
&self,
|
|
subtree: &tt::Subtree,
|
|
_: Option<&tt::Subtree>,
|
|
_: &Env,
|
|
) -> Result<tt::Subtree, ProcMacroExpansionError> {
|
|
Ok(subtree.clone())
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) fn should_refresh_for_change(path: &AbsPath, change_kind: ChangeKind) -> bool {
|
|
const IMPLICIT_TARGET_FILES: &[&str] = &["build.rs", "src/main.rs", "src/lib.rs"];
|
|
const IMPLICIT_TARGET_DIRS: &[&str] = &["src/bin", "examples", "tests", "benches"];
|
|
let file_name = path.file_name().unwrap_or_default();
|
|
|
|
if file_name == "Cargo.toml" || file_name == "Cargo.lock" {
|
|
return true;
|
|
}
|
|
if change_kind == ChangeKind::Modify {
|
|
return false;
|
|
}
|
|
if path.extension().unwrap_or_default() != "rs" {
|
|
if (file_name == "config.toml" || file_name == "config")
|
|
&& path.parent().map(|parent| parent.as_ref().ends_with(".cargo")) == Some(true)
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
if IMPLICIT_TARGET_FILES.iter().any(|it| path.as_ref().ends_with(it)) {
|
|
return true;
|
|
}
|
|
let parent = match path.parent() {
|
|
Some(it) => it,
|
|
None => return false,
|
|
};
|
|
if IMPLICIT_TARGET_DIRS.iter().any(|it| parent.as_ref().ends_with(it)) {
|
|
return true;
|
|
}
|
|
if file_name == "main.rs" {
|
|
let grand_parent = match parent.parent() {
|
|
Some(it) => it,
|
|
None => return false,
|
|
};
|
|
if IMPLICIT_TARGET_DIRS.iter().any(|it| grand_parent.as_ref().ends_with(it)) {
|
|
return true;
|
|
}
|
|
}
|
|
false
|
|
}
|